INCOME TAXES UNRECOGNIZED TAX BENEFITS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Contingency [Line Items]
Unrecognized tax benefits and related reserves including interest and penalties	$ 4,900,000	$ 63,000,000
Unrecognized tax benefits, interest	1,400,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	2,800,000	3,400,000	4,100,000
Unrecognized Tax Benefits as of January 1	36,217,000	39,709,000	48,178,000
Gross adjustments in tax positions	0	(302,000)	498,000
Gross increases due to current year acquistions	2,652,000	376,000	0
Settlements	0	(75,000)	0
Lapse of statute of limitations	(35,328,000)	(3,436,000)	(8,929,000)
Foreign currency transaction	2,000	(55,000)	(38,000)
Unrecognized Tax Benefits as of December 31	3,543,000	36,217,000	39,709,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	1,400,000	26,800,000
Expiring Statute of Limitations Related to Historical Canadian Business Combination	52,100,000
Expiration of Various State Statute of Limitation	300,000
Change in Tax Benefits [Member]
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)	52,400,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 29,300,000